Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1226168640 (LWP 20515)]
[KCrash handler]
#6  0xb739386e in QObject::parent () from /usr/lib/libqt-mt.so.3
#7  0xb739403f in QWidget::parentWidget () from /usr/lib/libqt-mt.so.3
#8  0xb74a790b in QWidget::~QWidget () from /usr/lib/libqt-mt.so.3
#9  0xb7508b33 in QButton::~QButton () from /usr/lib/libqt-mt.so.3
#10 0xb7d0a791 in KCommonDecorationButton::~KCommonDecorationButton ()
   from /usr/lib/libkdecorations.so.1
#11 0xb6d143f2 in Web::WebButton::~WebButton ()
   from /usr/lib/kde3/kwin3_web.so
#12 0xb7d0d3b4 in KCommonDecoration::~KCommonDecoration ()
   from /usr/lib/libkdecorations.so.1
#13 0xb6d121fd in Web::WebClient::~WebClient ()
   from /usr/lib/kde3/kwin3_web.so
#14 0x0805da94 in ~Window (this=0xb6d155cc)
    at ../../../kde/window-decorator/window.cpp:152
#15 0x080554f9 in KWD::Decorator::handleWindowRemoved (this=0x806d0f8, 
    id=60817436) at ../../../kde/window-decorator/decorator.cpp:983
#16 0x08051da5 in KWD::Decorator::qt_invoke (this=0x806d0f8, _id=41, 
    _o=0xbf9c1464) at decorator.moc.cpp:203
#17 0xb746a893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#18 0xb7e04ad1 in KWinModule::windowRemoved () from /usr/lib/libkdecore.so.4
#19 0xb7e09fa7 in KWinModulePrivate::removeClient ()
   from /usr/lib/libkdecore.so.4
#20 0xb7df9c89 in NETRootInfo::update () from /usr/lib/libkdecore.so.4
#21 0xb7dfa095 in NETRootInfo::event () from /usr/lib/libkdecore.so.4
#22 0xb7e0acd4 in KWinModulePrivate::x11Event () from /usr/lib/libkdecore.so.4
#23 0xb7ed80d3 in KApplication::x11EventFilter ()
   from /usr/lib/libkdecore.so.4
#24 0x08055b0d in KWD::Decorator::x11EventFilter (this=0x806d0f8, 
    xevent=0xbf9c1be8) at ../../../kde/window-decorator/decorator.cpp:825
#25 0xb7380153 in ?? () from /usr/lib/libqt-mt.so.3
#26 0x0806d0f8 in ?? ()
#27 0xbf9c1be8 in ?? ()
#28 0x00400000 in ?? ()
#29 0xb79328d0 in ?? () from /usr/lib/libqt-mt.so.3
#30 0xbf9c1be8 in ?? ()
#31 0xb79328d0 in ?? () from /usr/lib/libqt-mt.so.3
#32 0xbf9c1a88 in ?? ()
#33 0xb73908e2 in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
Backtrace stopped: frame did not save the PC